HRDI Data is available for download in NetCDF format through our HRDI Observational Database. Users can search for data based on many criteria including date, type of data available and latitude limits. We asked that you please register in order to download groups of files so that we can relay that usage information to our sponsor. Registration is free, quick (1-2 minutes), and fully automated. New users are strongly encouraged to read the overview instructions, accessed by clicking the 'help' link on the navigation bar of the HRDI Observational Database.